Home / 248,148.08-372,256.44-79,628.78

Finding the Fourth Proportional to 248,148.08, 372,256.44 and 79,628.78

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Solution

The fourth proportional to 248,148.08, 372,256.44 and 79,628.78 is: 119,454.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,148.08 : 372,256.44 = 79,628.78 : x
  2. Step 2: Convert to fraction form
    248,148.08/372,256.44 = 79,628.78/x
  3. Step 3: Cross multiply
    248,148.08x = 372,256.44 × 79,628.78
  4. Step 4: Simplify right side
    248,148.08x = 29,642,326,164.34
  5. Step 5: Solve for x
    x = 29,642,326,164.34/248,148.08
  6. Step 6: Final answer
    x = 119,454.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.